CVE-2018-9539: Google Android

High severity, CVSS 7.0. EPSS: 0.4% chance of exploitation in the next 30 days.

In the ClearKey CAS descrambler, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android-8.0 Android-8.1 Android-9. Android ID: A-113027383

Affected products

• Google Android: version 8.0 only; version 8.1 only; version 9.0 only

Published 2018-11-14. Last modified 2026-06-17.